The basic operations in arithmetic refer to addition, subtraction, multiplication and division.
The operator for addition is + and an example of addition is 8 + 2
The operator for subtraction is - and an example of subtraction is 6 - 4
The operator for multiplication is x and an example of multiplication is 10 x 5
The operator for division is ÷ and an example of division is 16 ÷ 8